#! /bin/bash
# make sure Ruby 1.9.3 is installed before proceeding
-if ! ruby -v 2>/dev/null | grep '1\.9\.3' > /dev/null
+if ! ruby -e 'exit RUBY_VERSION >= "1.9.3"' 2>/dev/null
then
- echo "Installing Ruby. You may be required to enter your password."
+ echo "Installing Arvados requires at least Ruby 1.9.3."
+ echo "You may need to enter your password."
+ read -p "Press Ctrl-C to abort, or else press ENTER to install ruby1.9.3 and continue. " unused
+
sudo apt-get update
sudo apt-get -y install ruby1.9.3
fi
-./build.rb $*
+build_tools/build.rb $*